contributions to your pbs station from viewers like you. and by the corporation for public broadcasting. major support for frontline is provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional funding is provided by the park foundation, dedicated to heightening public awareness of critical issues. and by the frontline journalism fund, with a grant from millicent bell, through the millicent and eugene bell foundation. >> it's been a week since the shooting. (bell tolling) for most of the journalists in this newsroom, they've never covered anything that came close to being as horrific as this. it is a singular event in the history of connecticut. (bell tolls) >> narrator: a week after adam lanza massacred 20 children and six adults at sandy hook elementary school, church bells tolled across the state. memorials were erected to the 26 victims. president obama read out 26 names. but there was a 27th person murdered that